Model Number
EX378B02
ICP MICROPHONE SYSTEM
Revision: NR
ECN #: 47683
[5]
Performance
ENGLISH
SI
Nominal Microphone Diameter
1/2"
1/2"
Frequency Response Characteristic(at 0° incidence)
Free-Field
Free-Field
Sensitivity
50 mV/Pa
50 mV/Pa
[3]
Sensitivity
(± 1.5 dB)
-26 dB re 1 V/Pa
-26 dB re 1 V/Pa
[3]
Frequency Range(± 2 dB)
3.75 to 20,000 Hz
3.75 to 20,000 Hz
Frequency Range
(± 1 dB)
7 to 10,000 Hz
7 to 10,000 Hz
Lower Limiting Frequency(-3 dB)
1.0 to 3.0 Hz
1.0 to 3.0 Hz
Inherent Noise
15.5 dB(A) re 20
µPa
15.5 dB(A) re 20
µPa
[2]
Dynamic Range(3% Distortion Limit)
137 dB re 20 µPa
137 dB re 20 µPa
[2]
Environmental
Temperature Range(Operating)
-40 to +176 °F
-40 to +80 °C
Temperature Coefficient of Sensi14 to +158°F (-10 to +70°C))
0.005 dB/°F
0.009 dB/°C
[2][3]
Static Pressure Coefficient
-0.013 dB/kPa
-0.013 dB/kPa
[2][3]
Humidity Coefficient of Sensitivity(0 to 100%, non-condensing)
± 0.001 dB/%RH
± 0.001 dB/%RH
[3]
Influence of Axial Vibration(0.1g (1 m/s²))
63 dB re 20 µPa
63 dB re 20 µPa
[2]
Electrical
Polarization Voltage
0 V
0 V
[1]
Excitation Voltage
20 to 30 VDC
20 to 30 VDC
Constant Current Excitation
2 to 20 mA
2 to 20 mA
Output Bias Voltage
10 to 14 VDC
10 to 14 VDC
Maximum Output Voltage
± 7 Vpk
± 7 Vpk
Output Impedance
<50 Ohm
<50 Ohm
Physical
Housing Material
Stainless Alloy
Stainless Alloy
Venting
Rear
Rear
[4]
Electrical Connector
BNC Jack
BNC Jack
Mounting Thread(Grid)
0.5 - 60 UNS
0.5 - 60 UNS
Size (Diameter x Height)(with grid)
0.52 in x 4.02 in
13.2 mm x 102.1
mm
Size (Diameter x Height)
(without grid)
0.50 in x 3.99 in
12.7 mm x 101.2
mm
Weight
1.87 oz
53 gm
[2]
[6]
All specifications are at room temperature unless otherwise specified.
In the interest of constant product improvement, we reserve the right to change
specifications without notice.
ICP
®
is a registered trademark of PCB Group, Inc.
OPTIONAL VERSIONS
Optional versions have identical specifications and accessories as listed for the standard model
except where noted below. More than one option may be used.
NOTES:
[1] Prepolarized
[2] Typical.
[3] re 250 Hz
[4] Venting through Preamp.
[5] See PCB Declaration of Conformance PS172 for details.
[6] See Model's “Instructions For Use” (IFU) for North American Conformity and Certification
Statements.
SUPPLIED ACCESSORIES:
Model ACS-63 Calibration (with TEDS) of Precision Condenser Microphones and Preamplifiers
together (mated pair).
Entered: LK
Engineer: gs
Sales: MV
Approved: BAM
Spec Number:
Date: 1/16/2018
Date: 1/16/2018
Date: 1/16/2018
Date: 1/16/2018
66400
3425 Walden Avenue, Depew, NY 14043
Phone: 716-684-0001
Fax: 716-684-0987
E-Mail: [email protected]
